Home / 553,539,634.59-763,886,069.24-302,660,215.05

Finding the Fourth Proportional to 553,539,634.59, 763,886,069.24 and 302,660,215.05

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Solution

The fourth proportional to 553,539,634.59, 763,886,069.24 and 302,660,215.05 is: 417,671,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,539,634.59 : 763,886,069.24 = 302,660,215.05 : x
  2. Step 2: Convert to fraction form
    553,539,634.59/763,886,069.24 = 302,660,215.05/x
  3. Step 3: Cross multiply
    553,539,634.59x = 763,886,069.24 × 302,660,215.05
  4. Step 4: Simplify right side
    553,539,634.59x = 231,197,921,988,364,288
  5. Step 5: Solve for x
    x = 231,197,921,988,364,288/553,539,634.59
  6. Step 6: Final answer
    x = 417,671,847.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.